[w10] Added rough solutions to ex 1-10

1 files changed, 43 insertions, 0 deletions

diff --git a/week10/Exercise07/FileString.cpp b/week10/Exercise07/FileString.cpp
new file mode 100644
index 0000000..e3d601e
--- /dev/null
+++ b/week10/Exercise07/FileString.cpp
@@ -0,0 +1,43 @@
+#include "FileString.h"
+#include <fstream>
+
+FileString::FileString(const char* fileName) : String() {
+	this->fileName = fileName; // Конвертиращ конструктор!
+
+	std::ifstream inFile(fileName);
+	if (!inFile.is_open()) {
+		throw "Couldn't open file!";
+	}
+
+	while (!inFile.eof() && inFile.peek() != '\n') {
+		inFile.get();
+	}
+
+	if (inFile.eof()) {
+		inFile.seekg(0, std::ios::end);
+		this->length = inFile.peek();
+	}
+	else {
+		this->length = inFile.peek() - 1;
+	}
+
+	inFile.seekg(0, std::ios::beg);
+	str = new char[this->length + 1];
+	inFile.getline(str, this->length);
+	str[this->length] = '\0';
+
+	inFile.close();
+}
+
+void FileString::ChangeAt(unsigned index, char newValue) {
+	std::fstream file(fileName.GetPtr());
+	if (!file.is_open()) {
+		throw "Couldn't open file!";
+	}
+
+	file.seekp(index, std::ios::beg);
+	file.put(newValue);
+	str[index] = newValue;
+
+	file.close();
+}